Authors:

It is the anonymous "they," the enigmatic "they" who are in charge. Who is "they"? I don't know. Nobody knows. Not even "they" themselves.

Joseph Heller (2010). “Catch-22: 50th Anniversary Edition”, p.603, Simon and Schuster
It is the anonymous they, the enigmatic they who are in charge. Who is they? I don't know. Nobody knows. Not even they themselves.